Authentication Bypass Affecting nerdctl package, versions <2.3.1-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-NERDCTL-16790987
  • published22 May 2026
  • disclosed31 Mar 2026

Introduced: 31 Mar 2026

CVE-2026-34040  (opens in a new tab)
CWE-288  (opens in a new tab)

How to fix?

Upgrade Chainguard nerdctl to version 2.3.1-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nerdctl package and not the nerdctl package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows attackers to bypass authorization plugins (AuthZ). This issue has been patched in version 29.3.1.

CVSS Base Scores

version 3.1